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This section has Four Questions. In each question a blank is left. Fill in the blank.
If $$98765^2 = 9754525225$$ then $$98766^2 =$$ __________
Correct Answer: 9754722756
$$98766^2 = (98765 + 1)^2 = 98765^2 + 2 \times 98765 + 1$$. So $$98766^2 = 9754525225 + 197530 + 1 = 9754722756$$.
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